Home / 4,759.47-7,139.54-1,472.13

Finding the Fourth Proportional to 4,759.47, 7,139.54 and 1,472.13

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Solution

The fourth proportional to 4,759.47, 7,139.54 and 1,472.13 is: 2,208.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759.47 : 7,139.54 = 1,472.13 : x
  2. Step 2: Convert to fraction form
    4,759.47/7,139.54 = 1,472.13/x
  3. Step 3: Cross multiply
    4,759.47x = 7,139.54 × 1,472.13
  4. Step 4: Simplify right side
    4,759.47x = 10,510,331.02
  5. Step 5: Solve for x
    x = 10,510,331.02/4,759.47
  6. Step 6: Final answer
    x = 2,208.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.